Mass equidistribution for Saito-Kurokawa lifts

Jesse Jääsaari, Stephen Lester, Abhishek Saha

Let $F$ be a holomorphic cuspidal Hecke eigenform for ${\mathrm{Sp}}_4(\mathbb{Z})$ of weight $k$ that is a Saito--Kurokawa lift. Assuming the Generalized Riemann Hypothesis (GRH), w…